package com.example.lenovo.wechat;


import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.util.List;



public class MsgAdapter extends RecyclerView.Adapter<MsgAdapter.ViewHolder>{

    private List<Msg> mMsgList;


    static class ViewHolder extends RecyclerView.ViewHolder {
        LinearLayout leftLayout;
        LinearLayout rightLayout;
        TextView leftMsg;
        TextView rightMsg;

        public ViewHolder(View view) {
            super(view);
            leftLayout = (LinearLayout) view.findViewById(R.id.left_layout);
            rightLayout = (LinearLayout) view.findViewById(R.id.right_layout);
            leftMsg = (TextView) view.findViewById(R.id.left_msg);
            rightMsg = (TextView) view.findViewById(R.id.right_msg);
        }
    }

        public MsgAdapter(List<Msg> msgList){
            mMsgList=msgList;
        }

        @Override
        public ViewHolder onCreateViewHolder( ViewGroup viewGroup, int i) {
            View view= LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.msg_item,viewGroup,false);
            return new ViewHolder(view);
        }

        @Override
        public void onBindViewHolder( ViewHolder viewHolder, int i) {
            Msg msg=mMsgList.get(i);
            if(msg.getType()==Msg.TYPE_RECEVIED){
                viewHolder.leftLayout.setVisibility(View.VISIBLE);
                viewHolder.rightLayout.setVisibility(View.GONE);
                viewHolder.leftMsg.setText(msg.getContent());
            }else if(msg.getType()==Msg.TYPE_SENT){
                viewHolder.rightLayout.setVisibility(View.VISIBLE);
                viewHolder.leftLayout.setVisibility(View.GONE);
                viewHolder.rightMsg.setText(msg.getContent());
            }
        }

        @Override
        public int getItemCount() {
            return mMsgList.size();
        }



}
